/Engine/Source/Runtime/Engine/Classes/Materials/Material.h
Flip the X coordinates of a material's expressions and space them out more
static void FlipExpressionPositions ( TConstArrayView< [TObjectPtr](API\Runtime\Core\Delegates\TObjectPtr)< [UMaterialExpression](API\Runtime\Engine\Materials\UMaterialExpression) >> Expressions, TConstArrayView< [TObjectPtr](API\Runtime\Core\Delegates\TObjectPtr)< [UMaterialExpressionComment](API\Runtime\Engine\Materials\UMaterialExpressionComment) >> Comments, bool bScaleCoords, [UMaterial](API\Runtime\Engine\Materials\UMaterial) * Material )